Samsung Galaxy A71 vs Samsung Galaxy A31 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

8.2
Samsung Galaxy A71	Samsung Galaxy A31
Released · Jan 31, 2020	Released · Apr 27, 2020
6.7-inch	6.4-inch
Quad camera	Quad camera
6GB · 128GB	4GB · 64GB
4500 mAh	5000 mAh
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Design

Dimensions
6.44 x 2.99 x 0.30 inches 163.6 x 76 x 7.7 mm	6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm
Weight
6.31 oz (179.0 g)	6.53 oz (185.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue	Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
6.7-inch	6.4-inch
Resolution
2400x1080px, 20:9 ratio, 393 PPI	2400x1080px, 20:9 ratio, 411 PPI
Technology
Super AMOLED Plus	Super AMOLED
Refresh rate
60Hz	60Hz
Screen-to-body
87.24 %	84.88 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 730 SM7150-AA (8 nm)	MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core 2200 MHz Kryo 470	Octa-core 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55
GPU
Adreno 618	Mali-G52 MC2
RAM
6GB (LPDDR4)	4GB (LPDDR4)
Internal storage
128GB, available to use: 106.1 GB	64GB (eMMC 5.1), available to use: 46.2 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (12, 11, 10), Samsung One UI	Android (10), Samsung One UI

Battery

Capacity
4500 mAh	5000 mAh
Type
Li - Polymer	Li - Polymer
Charging
Fast charging	Fast charging
Charge speed
	Wired: 15.0W

Battery Life Estimate

6h 59min

Browsing

11h 32min

Video

11h 38min

Gaming

12h 46min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Quad camera	Quad camera
Main camera
64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4 Focal Length: 25 mm	5 MP (Macro) Aperture size: F2.4
Fourth camera
5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) EIS	1920x1080 (Full HD) (30 fps)
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD)	20 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 28(700 APT), 66(AWS-3)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL
Measured SAR
	Head: 0.53 W/kg Body: 0.56 W/kg Simultaneous Transmission: 1.42 W/kg Wireless Router: 0.65 W/kg Phablet: 0.89 W/kg

Buyers information

MSRP
	€ 300

Availability

Officially announced
Dec 12, 2019	Mar 24, 2020

Alternative variants

with 8 GB RAM


RAM	8GB

with 128GB storage


RAM	6GB
Internal storage	128GB

Links

Full specifications
Samsung Galaxy A71 Specs	Samsung Galaxy A31 Specs
PhoneArena Review
Samsung Galaxy A71 Review
User Reviews
Samsung Galaxy A71 User Reviews